Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Carbonate
Advertisements
उत्तर
| Element/Radical | Symbol | Valency |
| Carbonate | \[\ce{CO3}\] | two |
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
Name the noble gas with 3 shells.
Two elements P and Q belong to the same period of the modern periodic table and are in group 1 and group 2, respectively. Compare the following characteristics in the tabular form.
- Number of electrons in their atoms
- Their tendency to lose electrons
- Their metallic characters
- Formation of their oxides
- Formulae of their chlorides
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Hydroxide
The modern periodic table is divided into which blocks?
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
